CN118463769A - A kind of gear tooth tip circle diameter rapid detection and sorting inspection tool and sorting method - Google Patents

Abstract

The invention discloses a gear tooth top circle diameter rapid detection and separation gauge which comprises a bottom plate, a base plate, an elastic ring and a locking ring, wherein the base plate is provided with a plurality of gear teeth; the base plate is connected to the bottom plate, and the elastic ring is connected to the bottom plate outside the base plate; the elastic ring comprises a torus, a plurality of elastic pieces provided with arc-shaped pressure heads are connected above the inner side of the torus, and the elastic pieces are connected with the bottom plate; the locking ring is positioned above the torus, the inner circular surface of the locking ring is provided with eccentric arc blocks with the same number as the number of the elastic pieces, and when the locking ring rotates, the eccentric arc blocks are in line contact with the arc-shaped pressing head and press the elastic pieces to shrink; an indication line is arranged at the arc top of one of the arc-shaped pressure heads, and scale lines are arranged on the eccentric arc blocks corresponding to the arc-shaped pressure heads. Compared with the prior art, the method can rapidly, accurately and intuitively detect and sort the gear tooth top circle diameter, and has the advantages of convenient and quick detection process and simple and easily understood reading.

Description

A kind of gear tooth tip circle diameter rapid detection and sorting inspection tool and sorting method

Technical Field

The present invention relates to the technical field of inspection tools, and in particular to an inspection tool and a method for quickly detecting and sorting a gear tooth tip circle diameter.

Background Art

The detection of gear tooth top circle diameter, especially the detection of odd-numbered gear tooth top circle diameter, is relatively troublesome. Generally, there are several methods: one is instrument detection. Gear detection center, three-coordinate measuring instrument and other detection methods have good detection accuracy, but it is time-consuming and not conducive to large-scale detection; the second is measuring tools such as outside diameter micrometer and vernier caliper, which are inconvenient to detect, have average accuracy, and can only detect even-numbered gears; the third is to use smooth ring gauge detection, which has good detection result accuracy, is convenient and fast for some gears, but is not convenient for detecting gears with smaller tooth width and larger diameter.

Therefore, in order to meet the production needs of the factory, it is necessary to produce a gear tooth top circle diameter rapid detection and sorting inspection fixture.

Summary of the invention

The purpose of the present invention is to provide a gear tooth tip circle diameter rapid detection and sorting inspection tool and sorting method, which can quickly, accurately and intuitively detect and sort the gear tooth tip circle diameter, and the detection process is convenient and fast, and the reading is simple and easy to understand, so as to solve the problems raised in the above background technology.

To achieve the above object, the present invention provides the following technical solutions:

A quick detection and sorting inspection tool for gear tooth top circle diameter comprises a base plate, a pad, an elastic ring and a locking ring; the pad is connected to the base plate, and the elastic ring is connected to the base plate outside the pad; the elastic ring comprises a circular ring body, and a plurality of elastic members provided with arc-shaped pressure heads are connected to the upper inner side of the circular ring body, and the elastic members are connected to the base plate; the locking ring is located above the circular ring body, and an eccentric arc block having the same number as the elastic members is provided on the inner circular surface of the locking ring, and when the locking ring rotates, the eccentric arc block contacts the arc-shaped pressure head line and compresses the elastic member to contract; an indicator line is provided at the arc top of one of the arc-shaped pressure heads, and a scale line is provided on the eccentric arc block corresponding to the arc-shaped pressure head.

A further solution of the present invention is that the backing plate is a circular plate, and the center of the backing plate is connected to the bottom plate by a hexagon socket screw A.

A further solution of the present invention is that the elastic member is integrally formed with the annular body, there are three elastic members evenly distributed in the circumferential direction, and the upper surface of the elastic member is higher than the upper surface of the annular body.

A further solution of the present invention is that the elastic member further includes a fixing portion and a deformation portion, the fixing portion is connected to the bottom plate via a hexagon socket screw B, and the deformation portion is an arc-shaped plate.

A further solution of the present invention is that a groove is provided at the junction of the deformation portion and the fixing portion.

A further solution of the present invention is that there are three eccentric arc blocks evenly distributed in the circumferential direction, and a slide groove is provided between adjacent eccentric arc blocks, and the slide groove is slidably matched with the outer arc surface of the fixing portion.

A further solution of the present invention is that the connecting line of the arc centers of the eccentric arc block is an isosceles triangle.

A further solution of the present invention is that the arc of the eccentric arc block is 45°.

A method for quickly detecting and sorting a gear tooth tip circle, using the above-mentioned gear tooth tip circle quick detection and sorting inspection tool, comprises the following steps:

S1. Place the entire inspection fixture on a horizontal workbench. The operator places the gear horizontally on the pad, with the gear located inside the elastic ring;

S2. Rotate the locking ring counterclockwise to make the three eccentric arc blocks of the locking ring press the arc pressure heads of the three elastic parts toward the center of the circle. The arc surface inside the arc pressure head contacts the circular surface of the gear tooth top. Stop rotating the locking ring after the arc pressure head presses the parts tightly.

S3. The operator reads the scale line corresponding to the indicator line and compares it with the scale line corresponding to the standard part to intuitively obtain the diameter size of the gear tooth tip circle, that is, the outer diameter size of the gear;

S4. Rotate the locking ring clockwise to loosen the arc-shaped pressure head, and then replace the gear and repeat the operation.

Beneficial effects of the present invention:

The gear tooth top circle rapid detection and sorting inspection tool and sorting method of the present invention can rapidly, accurately and intuitively detect and sort the gear tooth top circle diameter.

The gear tooth addendum circle rapid detection and sorting inspection tool and sorting method of the present invention have convenient and quick detection process and simple and easy-to-understand readings.

The gear tooth top circle rapid detection and sorting inspection tool and sorting method of the present invention has a groove at the junction of the deformation part and the fixed part to improve the deformation capacity of the deformation part and ensure that the elastic part can clamp the gear smoothly.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is an overall front cross-sectional view of the present invention.

FIG. 2 is a top view of the bottom plate of the present invention.

FIG. 3 is a front cross-sectional view of a backing plate of the present invention.

FIG. 4 is a top view of the elastic member of the present invention.

Fig. 5 is a cross-sectional view taken along the line A-A in Fig. 4.

FIG. 6 is a top view of the locking ring of the present invention.

FIG. 7 is a diagram showing the distribution of the centers of the three eccentric arc blocks of the present invention.

FIG. 8 is a physical diagram of the present invention.

In the figure: 1-bottom plate, 2-pad, 3-elastic ring, 301-annular body, 302-arc pressure head, 303-indicator line, 304-fixing part, 305-deformation part, 306-cutting groove, 4-locking ring, 401-eccentric arc block, 402-scale line, 403-slide groove, 5-hexagon socket bolt A, 6-hexagon socket bolt B, 7-gear.

DETAILED DESCRIPTION

The present invention is further explained below in conjunction with the accompanying drawings and specific embodiments.

Embodiment 1: As shown in Figures 1 to 8, a quick detection and sorting inspection tool for gear tooth top circle diameter includes a bottom plate 1, a pad 2, an elastic ring 3 and a locking ring 4 made of stainless steel; the pad 2 is connected to the bottom plate 1, and the elastic ring 3 is connected to the bottom plate 1 outside the pad 2; the elastic ring 3 includes a circular ring body 301, and a plurality of elastic members provided with arc pressure heads 302 are connected to the upper inner side of the circular ring body 301, and the elastic members are connected to the bottom plate 1; the locking ring 4 is located above the circular ring body 301, and an eccentric arc block 401 with the same number as the elastic members is provided on the inner circular surface of the locking ring 4. When the locking ring 4 rotates, the eccentric arc block 401 is in line contact with the arc pressure head 302 and compresses the elastic member to contract; an indicator line 303 is provided at the arc top of one of the arc pressure heads 302, and a scale line 402 is provided on the eccentric arc block 401 corresponding to the arc pressure head 302.

The backing plate 2 is a circular plate, and the center of the backing plate 2 is connected to the bottom plate 1 through a hexagon socket screw A5.

The elastic member is integrally formed with the annular body 301 . There are three elastic members evenly distributed in the circumferential direction, and the upper surface of the elastic member is higher than the upper surface of the annular body 301 .

The elastic member further includes a fixing portion 304 and a deformation portion 305. The fixing portion 304 is connected to the bottom plate 1 through a hexagon socket screw B6, and the deformation portion 305 is an arc-shaped plate.

A groove 306 is provided at the junction of the deformable portion 305 and the fixing portion 304 .

There are three eccentric arc blocks 401 evenly distributed in the circumferential direction, and there are sliding grooves 403 between adjacent eccentric arc blocks 401 . The sliding grooves 403 are slidably matched with the outer arc surface of the fixing portion 304 .

The arc center connecting line of the eccentric arc block 401 is an isosceles triangle.

The arc of the eccentric arc block 401 is 45°.

A method for quickly detecting and sorting the addendum circle of a gear 7, using the above-mentioned addendum circle of a gear 7 quick detection and sorting inspection tool, comprises the following steps:

S1. Place the entire inspection fixture on a horizontal workbench. The operator places the gear 7 horizontally on the pad 2, with the gear 7 located inside the elastic ring 3;

S2, by rotating the locking ring 4 counterclockwise, the three eccentric arc blocks 401 of the locking ring 4 press the arc-shaped pressing heads 302 of the three elastic parts toward the center of the circle, and the arc surface inside the arc-shaped pressing head 302 contacts the circular surface of the tooth top of the gear 7, so that the arc-shaped pressing head 302 presses the parts tightly and then stops rotating the locking ring 4;

S3. The operator reads the scale line 402 corresponding to the indicator line 303, as shown in FIG6 . If the scale line 402 corresponding to the indicator line 303 is 5, and the scale line 402 corresponding to the standard part with an outer diameter of 182.2 mm is also 5, it can be intuitively obtained that the diameter of the addendum circle of the gear 7 is 182.2 mm, that is, the outer diameter of the gear 7 is 182.2 mm; similarly, if the scale line 402 corresponding to the indicator line 303 is 6, and the scale line 402 corresponding to the standard part with an outer diameter of 182.8 mm is also 6, it can be intuitively obtained that the diameter of the addendum circle of the gear 7 is 182.8 mm, that is, the outer diameter of the gear 7 is 182.8 mm.

S4. Rotate the locking ring 4 clockwise to loosen the arc-shaped pressing head 302, and replace the gear 7 and repeat the operation.

It is worth noting that this inspection fixture is only suitable for the rapid inspection and sorting of gear 7 with a difference of a few tenths of a millimeter in the tooth tip circle diameter, such as the rapid inspection and sorting of gear 7 with a tooth tip circle diameter of 182.2mm, 182.8mm, 183.4mm, 184.0mm, 184.6mm, etc. It is not suitable for the inspection and sorting of gear 7 with a large difference in outer diameter.

The above embodiments are only for illustrating the technical concept and features of the present invention, and their purpose is to enable people familiar with the technology to understand the content of the present invention and implement it accordingly, and they cannot be used to limit the protection scope of the present invention. Any equivalent transformation or modification made according to the spirit of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. A gear tooth tip diameter rapid detection and sorting inspection tool, characterized in that it comprises a base plate (1), a backing plate (2), an elastic ring (3) and a locking ring (4); the backing plate (2) is connected to the base plate (1), and the elastic ring (3) is connected to the base plate (1) outside the backing plate (2); the elastic ring (3) comprises a circular ring (301), and a plurality of elastic members provided with arc-shaped pressure heads (302) are connected to the upper inner side of the circular ring (301), and the elastic members are connected to the base plate (1); The locking ring (4) is located above the annular body (301), and the inner circumferential surface of the locking ring (4) is provided with eccentric arc blocks (401) having the same number as the elastic members. When the locking ring (4) rotates, the eccentric arc blocks (401) are in line contact with the arc-shaped pressure heads (302) and compress the elastic members to contract. An indication line (303) is provided at the top of one of the arc-shaped pressure heads (302), and a scale line (402) is provided on the eccentric arc block (401) corresponding to the arc-shaped pressure head (302). 2. A gear tooth tip circle diameter rapid detection and sorting inspection tool as claimed in claim 1, characterized in that: the pad (2) is a circular plate, and the center of the pad (2) is connected to the base plate (1) by a hexagon socket screw A (5). 3. A gear tooth tip circle diameter rapid detection and sorting inspection tool as claimed in claim 1, characterized in that: the elastic member and the annular body (301) are integrally formed, there are three elastic members evenly distributed in the circumferential direction, and the upper surface of the elastic member is higher than the upper surface of the annular body (301). 4. A gear tooth tip circle diameter rapid detection and sorting inspection tool as claimed in claim 3, characterized in that: the elastic member further comprises a fixing portion (304) and a deformation portion (305), the fixing portion (304) is connected to the bottom plate (1) by a hexagon socket screw B (6), and the deformation portion (305) is an arc-shaped plate. 5. A gear tooth tip circle diameter rapid detection and sorting inspection tool as claimed in claim 4, characterized in that a groove (306) is provided at the junction of the deformation part (305) and the fixing part (304). 6. A gear tooth tip circle diameter rapid detection and sorting inspection tool as claimed in claim 3, characterized in that: the eccentric arc blocks (401) are three evenly distributed in the circumferential direction, and there are slide grooves (403) between adjacent eccentric arc blocks (401), and the slide grooves (403) are slidably matched with the outer arc surface of the fixing part (304). 7. A gear tooth tip circle diameter rapid detection and sorting inspection tool as claimed in claim 6, characterized in that: the arc center connecting line of the eccentric arc block (401) is an isosceles triangle. 8. A gear tooth tip circle diameter rapid detection and sorting inspection tool as claimed in claim 6, characterized in that the arc of the eccentric arc block (401) is 45°. 9. A method for rapid detection and sorting of gear addendum circles, using the gear addendum circle rapid detection and sorting inspection tool as claimed in any one of claims 1 to 8, characterized in that it comprises the following steps: S1. Place the entire inspection fixture on a horizontal workbench. The operator places the gear (7) horizontally on the pad (2), with the gear (7) located inside the elastic ring (3); S2, by rotating the locking ring (4) counterclockwise, the three eccentric arc blocks (401) of the locking ring (4) press the arc-shaped pressing heads (302) of the three elastic parts toward the center of the circle, and the arc surface inside the arc-shaped pressing heads (302) contacts the circular surface of the tooth top of the gear (7), so that the arc-shaped pressing heads (302) press the parts tightly and then stop rotating the locking ring (4); S3, the operator reads the scale line (402) corresponding to the indicator line (303), and by comparing it with the scale line (402) corresponding to the standard part, the diameter size of the tooth top circle of the gear (7), that is, the outer diameter size of the gear (7), can be intuitively obtained; S4. Rotate the locking ring (4) clockwise to loosen the arc-shaped pressure head (302), replace the gear (7) and repeat the operation.